23105249 has 2 divisors, whose sum is σ = 23105250. Its totient is φ = 23105248.

The previous prime is 23105213. The next prime is 23105267. The reversal of 23105249 is 94250132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18861649 + 4243600 = 4343^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 23105249 - 2⁸ = 23104993 is a prime.

It is not a weakly prime, because it can be changed into another prime (23105549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11552624 + 11552625.

It is an arithmetic number, because the mean of its divisors is an integer number (11552625).

Almost surely, 2^23105249 is an apocalyptic number.

It is an amenable number.

23105249 is a deficient number, since it is larger than the sum of its proper divisors (1).

23105249 is an equidigital number, since it uses as much as digits as its factorization.

23105249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 23105249 is about 4806.7919655421. The cubic root of 23105249 is about 284.8198266152.

The spelling of 23105249 in words is "twenty-three million, one hundred five thousand, two hundred forty-nine".